void poll_fd_wait_at(int fd, HANDLE wevent, short int events, const char *where);
#ifndef _WIN32
#define poll_fd_wait(fd, events) poll_fd_wait_at(fd, 0, events, SOURCE_LOCATOR)
void poll_fd_wait_at(int fd, HANDLE wevent, short int events, const char *where);
#ifndef _WIN32
#define poll_fd_wait(fd, events) poll_fd_wait_at(fd, 0, events, SOURCE_LOCATOR)